| Haugesund to Oerlinghausen | 533.00 mi (857.78 km) |
| Haugesund to Oestrich-Winkel | 661.39 mi (1,064.40 km) |
| Haugesund to Offenburg | 766.00 mi (1,232.75 km) |
| Haugesund to Oftersheim | 708.38 mi (1,140.03 km) |
| Haugesund to Ohrdruf | 632.46 mi (1,017.84 km) |
| Haugesund to Ohringen | 727.56 mi (1,170.89 km) |
| Haugesund to Olbernhau | 683.79 mi (1,100.46 km) |
| Haugesund to Olching | 814.09 mi (1,310.15 km) |
| Haugesund to Oldenburg | 449.47 mi (723.35 km) |
| Haugesund to Oldenburg in Holstein | 413.09 mi (664.81 km) |
| Haugesund to Olfen | 540.17 mi (869.32 km) |
| Haugesund to Olpe | 590.83 mi (950.84 km) |
| Haugesund to Olsberg | 573.03 mi (922.20 km) |
| Haugesund to Oranienburg | 553.59 mi (890.91 km) |
| Haugesund to Ortenberg | 645.33 mi (1,038.56 km) |
